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Any ideas to passivate stainless steel against chlorine?
Is there a reason you can't just use PTFE tubing directly without a SS outer layer? |
19-9-2018 at 01:58
by: DavidJR |
Preparation of magnesium silicate and/or activated alumina (and others) for chromatograpy
I've seen PTFE powder available on eBay at relatively low prices. I imagine that might work quite we ... |
18-9-2018 at 05:21
by: DavidJR |
Preparation of magnesium silicate and/or activated alumina (and others) for chromatograpy
[rquote=535194&tid=91961&author=JJay]I've done TLC but not column chromatography nor HPLC. I ... |
14-9-2018 at 05:04
by: DavidJR |
Preparation of magnesium silicate and/or activated alumina (and others) for chromatograpy
[rquote=535155&tid=91961&author=JJay]I have been wondering about this also. When doing colum ... |
13-9-2018 at 08:34
by: DavidJR |
Where to start
[rquote=533657&tid=90939&author=diddi]swimming pool shops have lots of OTC chems. or if you ... |
11-9-2018 at 11:43
by: DavidJR |
Latest chemical order?
[rquote=534639&tid=9890&author=Herr Haber][rquote=534573&tid=9890&author=DavidJR]Wai ... |
11-9-2018 at 03:13
by: DavidJR |
Latest chemical order?
Waiting on this exciting order from Limac.lv:
250g Phosphorus Red
250g Sulfur
500g Chromium Tri ... |
10-9-2018 at 13:53
by: DavidJR |
Looking for cheap bottles, 250, 500, 1000ml. Any recommendations?
Don't get lab reagent bottles, find a local packaging supplier and buy some glass sirop bottles. The ... |
7-9-2018 at 10:38
by: DavidJR |
Diethyl ether on pulic transport
[rquote=533366&tid=90581&author=nimgoldman]Would you be okay with a guy sitting next to you ... |
5-9-2018 at 11:36
by: DavidJR |
Where to get chemicals in the uk
APC Pure/Atom Scientific (same company but different websites with different catalogue/pricing) is g ... |
5-9-2018 at 11:33
by: DavidJR |
Anti-bumping surfactants in destructive distillation
The surfactants used as wetting agents in photographic chemicals are usually non-ionic. Triton X 100 ... |
4-9-2018 at 15:27
by: DavidJR |
Diethyl ether on pulic transport
Pack it how you'd expect it to be packed for shipping by a chemical supplier. |
4-9-2018 at 14:24
by: DavidJR |
Diethyl ether on pulic transport
As long as it's well packed and in small quantity (<500ml) then I wouldn't be too worried about d ... |
4-9-2018 at 05:03
by: DavidJR |
Order a chemical, get something else
[rquote=531834&tid=88973&author=woelen]
- Ordered KOCN, received KCN, labeled as KOCN (cyan ... |
4-9-2018 at 02:21
by: DavidJR |
Cheap IR and Raman measurements
[rquote=532911&tid=90470&author=Hegi][rquote=532901&tid=90470&author=DavidJR]Interes ... |
3-9-2018 at 08:35
by: DavidJR |
How to find the right solvent?
I don't think polyethylene is dissolved by toluene - I have some toluene stored in a PE bottle.
T ... |
3-9-2018 at 02:26
by: DavidJR |
Cheap IR and Raman measurements
Interesting... might help to give an example of cost.
Now that I have HPLC in my garage I would a ... |
3-9-2018 at 01:58
by: DavidJR |
Extraction of human stem cells from blood (And another question)
[rquote=532334&tid=83552&author=SupaVillain]
I also took a look at "apheresis" I believe i ... |
30-8-2018 at 08:15
by: DavidJR |
Disappointed with College Chemistry
Frankly I felt similar about my degree (electronics/software engineering). It didn't get a whole lot ... |
28-8-2018 at 16:30
by: DavidJR |
Order a chemical, get something else
Update to my previous post: I have spent the past 2 weekends trying to figure out why an OrgSyn proc ... |
26-8-2018 at 15:02
by: DavidJR |
Bomex vs Deschem vs Lab-buddy glassware - relatively equal pricing
[rquote=531432&tid=89493&author=Sulaiman]Of the 'branded' glassware that I have,
I conside ... |
25-8-2018 at 06:08
by: DavidJR |
Useful aromatics from styrofoam
From the link in the first reply to this thread:
" The still pot is difficult to clean but on soa ... |
22-8-2018 at 06:05
by: DavidJR |
Useful aromatics from styrofoam
[rquote=530799&tid=88675&author=Melgar]Unless you enjoy picking at globs of hard, charred pl ... |
22-8-2018 at 05:18
by: DavidJR |
Order a chemical, get something else
Never had such bad luck with reputable sellers nor even with UK/European eBay sellers.
Only time ... |
21-8-2018 at 14:01
by: DavidJR |
Rain-X water repellent & properties of glass - is it a coating or just cleaning effect?
Would you be able to link your source for that? |
18-8-2018 at 02:31
by: DavidJR |
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